139985840

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{8293}}^1$

素因数の和:8517

約数の個数: 40

約数和(自身を含む): 327049008

約数和(自身を除く): 187063168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8293, 8440, 16586, 16880, 33172, 41465, 66344, 82930, 132688, 165860, 331720, 663440, 1749823, 3499646, 6999292, 8749115, 13998584, 17498230, 27997168, 34996460, 69992920, 139985840]

約数ペア:

[(1, 139985840), (2, 69992920), (4, 34996460), (5, 27997168), (8, 17498230), (10, 13998584), (16, 8749115), (20, 6999292), (40, 3499646), (80, 1749823), (211, 663440), (422, 331720), (844, 165860), (1055, 132688), (1688, 82930), (2110, 66344), (3376, 41465), (4220, 33172), (8293, 16880), (8440, 16586)]